

<template>
  <div class="app-container">
    <BlogDetail ref="blogDetail"/>
    <!-- 顶部搜索 -->
    <el-form :model="queryParams" ref="queryForm" size="small" v-show="showSearch" label-width="100px">
      <el-row :gutter="24">
        <el-col :span="6">
          <el-form-item label="标题" prop="title">
            <el-input
              v-model="queryParams.title"
              placeholder="请输入标题"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="类别" prop="category">
            <el-select v-model="queryParams.category" placeholder="请选择类别" clearable>
              <el-option
                v-for="dict in dict.type.blog_cat"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
              />
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="创建人用户ID" prop="userId">
            <el-input
              v-model="queryParams.userId"
              placeholder="请输入创建人用户ID"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item>
            <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>

    <!-- 顶部按钮 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
            type="primary"
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['huacai:blog:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="primary"
            icon="el-icon-edit"
            size="mini"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['huacai:blog:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="primary"
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['huacai:blog:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="primary"
            icon="el-icon-download"
            size="mini"
            @click="handleExport"
            v-hasPermi="['huacai:blog:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <!-- 表格 -->
    <el-table @row-click="clickRow" ref="table" highlight-current-row
              :header-cell-style="{background:'#d0cece',color:'#000000',fontWeight:'bold'}"
              height="300" class="fixedTableTwo" v-loading="loading" :data="blogList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" align="center" type="index" :index="indexMethod" />
              <el-table-column  label="标题" align="center" prop="title"  show-overflow-tooltip>
                <template slot-scope="scope">
                  <el-button type="text" @click="handleBlogDetail(scope.row)">
                    <el-link type="primary" >{{scope.row.title}}</el-link>
                  </el-button>
                </template>
              </el-table-column>
              <el-table-column label="封面" align="center" prop="cover" width="100">
                <template slot-scope="scope">
                  <image-preview :src="scope.row.cover" :width="50" :height="50"/>
                </template>
              </el-table-column>
              <el-table-column label="类别" align="center" prop="category">
                <template slot-scope="scope">
                      <dict-tag :options="dict.type.blog_cat" :value="scope.row.category"/>
                </template>
              </el-table-column>
              <el-table-column label="观看量" align="center" prop="views" />
              <el-table-column label="点赞数" align="center" prop="blogLikeCount" />
              <el-table-column label="收藏数" align="center" prop="collectCount" />
              <el-table-column label="评论数" align="center" prop="commentCount" />
              <el-table-column label="创建人" align="center" prop="nickName" />
              <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['huacai:blog:edit']"
          >修改</el-button>
          <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['huacai:blog:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <pagination
        v-show="total>0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
    />


    <!-- 添加或修改博客对话框 -->
    <vxe-modal :title="title" v-model="open" width="70%" showFooter show-zoom resize>
      <el-form ref="formDialog" :model="form" :rules="rules" label-width="80px">
            <el-row :gutter="24" >
              <el-col :span="12">
                            <el-form-item label="标题" prop="title">
                              <el-input v-model="form.title" placeholder="请输入标题" />
                            </el-form-item>
              </el-col>
              <el-col :span="12">
                <el-form-item label="类别" prop="category">
                  <el-select v-model="form.category" placeholder="请选择类别">
                    <el-option
                      v-for="dict in dict.type.blog_cat"
                      :key="dict.value"
                      :label="dict.label"
                      :value="dict.value"
                    ></el-option>
                  </el-select>
                </el-form-item>
              </el-col>
            </el-row>
                        <el-form-item label="封面" prop="cover">
                          <image-upload v-model="form.cover"/>
                        </el-form-item>
                        <el-form-item label="内容">
                          <editor v-model="form.content" :height="300"/>
                        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer  dialog-footer-center">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </vxe-modal>
  </div>
</template>

<script>
  import { listBlog, getBlog, delBlog, addBlog, updateBlog } from "@/api/huacai/blog";
  import BlogDetail from "@/views/huacai/blog/BlogDetail.vue";
  export default {
    name: "Blog",
    components: {BlogDetail},
        dicts: ['blog_cat'],
    data() {
      return {
        selectedRow: null, // 保存当前选中的行
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 博客表格数据
              blogList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
                        title: null,
                        category: null,
                        userId: null,
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
                        title: [
                    { required: true, message: "标题不能为空", trigger: "blur" }
                  ],
                        cover: [
                    { required: true, message: "封面不能为空", trigger: "blur" }
                  ],
                        content: [
                    { required: true, message: "内容不能为空", trigger: "blur" }
                  ],
                        category: [
                    { required: true, message: "类别不能为空", trigger: "change" }
                  ],

        },

      };
    },
    created() {
      this.getList();
    },
    methods: {
      handleBlogDetail(row){
        this.$refs.blogDetail.handleOpen(row);
      },
      //点击行 获取行
      clickRow(row) {
        this.selectedRow = row; // 更新选中的行
        const table = this.$refs.table;
        const selectedRows = table.selection;

        // 否则取消之前选中的行，并选中当前点击的行
        selectedRows.forEach(selectedRow => {
          table.toggleRowSelection(selectedRow);
        });
        table.toggleRowSelection(row);
      },
      /** 自定义序号 */
      indexMethod(index){
        let pageNum = this.queryParams.pageNum - 1;
        if((pageNum!==-1 && pageNum!==0)){
          return (index + 1) + (pageNum  * this.queryParams.pageSize);
        }else{
          return (index + 1)
        }
      },
      /** 查询博客列表 */
      getList() {
        this.loading = true;
        listBlog(this.queryParams).then(response => {
          this.blogList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
                        blogId: null,
                        title: null,
                        cover: null,
                        content: null,
                        category: null,
                        views: null,
                        userId: null,
                        createTime: null
        };
        this.resetForm("formDialog");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.blogId)
        this.single = selection.length!==1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加博客";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const blogId = row.blogId || this.ids
        getBlog(blogId).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改博客";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["formDialog"].validate(valid => {
          if (valid) {
            if (this.form.blogId != null) {
              updateBlog(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addBlog(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const blogIds = row.blogId || this.ids;
        this.$modal.confirm('确定删除选中记录？').then(function() {
          return delBlog(blogIds);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
  /** 导出按钮操作 */
  handleExport() {
    this.download('huacai/blog/export', {
      ...this.queryParams
    }, `blog_${new Date().getTime()}.xlsx`)
  },

  }
  };
</script>
